Weather barrier / Discussions

Can I put a breathable peel and stick weather (air) barrier on the inside walls and ceiling?

...weather barriers - Choosing a weather barrier house wrap, which is best? This page explains air / vapor barriers - The difference between air barriers and vap...

Posted by Anomika Singhn Oct. 1, 2018, 9:56 p.m. Air and vapour barriers 1 Responses

Which house wrap is best?

...weather barrier and how to install siding as well – How to install air barriers properly for a durable and energy efficient house How to install siding so w...

Posted by Kathy Moller Aug. 2, 2020, 11:50 a.m. Air and vapour barriers 1 Responses

What is the best material to use on top of plywood for water proofing?

...weather barrier / exterior air barrier, see our how to install an air barrier properly DIY video . ZIP systems are a good ‘all-in-one house sheathing / weather ...

Posted by Babak K July 27, 2020, 12:22 a.m. Air and vapour barriers 3 Responses

How do insulate the outside of a log home?

...barrier / weather barrier membrane directly to the logs, then the insulation directly to the membrane with no air space. Attach the insulation boards with verti...

Posted by Michael Hickey Aug. 2, 2018, 6:03 p.m. Wall assemblies - renovation 1 Responses

Can you use a vapour retarder paint on the ceiling instead of using a poly vapour barrier?

...barrier. Can you do this for the ceiling as well, thereby taking out that possible weak spot where the vapour barrier joins in with your walls? Vapour barrier p...

Posted by Anwas Qwelten June 8, 2019, 3:56 p.m. Air and vapour barriers 2 Responses

Can I spray foam insulate from the outside?

...weather barrier . And read here for more information about choosing breathable weather barriers . Most specifically, read our guide page to find the best way ...

Posted by Kurt Klischuk June 6, 2019, 8:56 a.m. Wall assemblies - renovation 3 Responses

Does using T & G wood plank instead of drywall affect where we put the vapor & air barrier?

...barrier . I won't go to far off on a tangent but please see this page about WRBs (weather resisistent barriers) as air barriers , because you could go with an e...

Posted by Sue Colbourne Nov. 9, 2019, 6:16 p.m. Walls and ceilings - interior surfaces 3 Responses

How do you do a vapor barrier in a dense pack cellulose wall?

...barriers seem to cause interior wall rot. My question emphasized the kind of weather we have in Ottawa, so lots of air conditioning in humid weather. (This is p...

Posted by Ian MacKay July 26, 2018, 2:48 p.m. Wall assemblies - renovation 4 Responses

Is the ZIP sheathing system good or bad for water control?

...weather barrier and air barrier. It’s a great concept, but you are not alone in your skepticism. Before you give it a yay or nay, here are a couple of pages tha...

Posted by Trevor Prinz Nov. 26, 2019, 4:03 p.m. Walls and Roofs 5 Responses

How do you re-do the insulation on a old cabin from the outside?

...barrier, vapor barrier and air barriers) work in a wall - Building science made easy video– How to design walls that work properly Since you are going about...

Posted by Raphael Couture Sept. 14, 2020, 8 a.m. Wall assemblies - renovation 3 Responses

Can you spray foam a house from the outside?

...barrier , and as long as you have at least 2 inches it would also be a suitable vapor barrier , and it will offer you thermal protection with the highest R valu...

Posted by Joan Lawrence July 11, 2019, 7:17 p.m. Wall assemblies - renovation 3 Responses

What is the best way to insulate a home from the outside?

...barrier. If you do add new plywood sheathing, you could just tape the joints and it will act as your air barrier Read all about how to insulate exterior walls...

Posted by Sylvie Gagnon Dec. 12, 2017, 11:58 a.m. Wall assemblies - renovation 1 Responses

Is it a good or bad idea to spray foam directly on the interior of shiplap siding?

...weather shield, it protects the control layers of your wall (air barrier, vapor barrier, insulation, weather barrier) , so you should have an air space separati...

Posted by MITCHELL KOCH Aug. 21, 2020, 3:49 p.m. Exterior cladding 1 Responses

Can you use polyiso insulation on the exterior of a wall behind cedar siding on the west coast?

...barrier . Using it on the outside means you are installing an exterior vapour barrier and that’s not a good thing. what made you choose Polyiso? We would alte...

Posted by Iain Matheson Jan. 28, 2020, 10:38 p.m. Wall assemblies - renovation 1 Responses

What is the best way to do wall construction using Charred Cedar Siding?

...weather barrier from UV rays. The most common mistake with siding installation is preventing air flow and having a proper drainage plane where any moisture that...

Posted by Dobie Cheung June 6, 2020, 10:44 p.m. Exterior cladding 1 Responses

What considerations should be made when installing a green roof on a metal building?

...weather we experience here in pine country has us questioning what plants are light enough, and are able to withstand the heat without an extensive root system....

Posted by Nina Flores Feb. 16, 2020, 4:57 p.m. Roof coverings 3 Responses

Which type of exterior insulation to use on a house?

...weather barriers (WRBs) , as it could be a good opportunity to do an air barrier as well, which is a really good upgrade to do with older houses when you are do...

Posted by Trevor Marshand May 26, 2020, 1:16 p.m. Insulation and soundproofing 1 Responses

What type of Insulation can I use on the exterior of my home?

...weather barrier / weather resistive barrier (WRB), and a breatheable one would serve you best to allow as much moisture to pass through as possible. read more h...

Posted by Scott Muller April 18, 2019, 2:19 p.m. Wall assemblies - renovation 6 Responses